function comments()
{
	if(document.getElementById('comment').value == "") {
		alert("Please add your comments before submitting the form.");
		
	}else{
	
		var comm = document.getElementById('comment').value;
		
		var postStr = 'recipeID=' + document.getElementById('comment_recipe_id').value;
		
		postStr += '&userID=' + document.getElementById('comment_user_id').value; 
		
		postStr += '&comments=' +  htmlEntities(comm); 
		
		//alert(postStr);
		
		http.open('POST', '../comment.php', true);
		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		http.onreadystatechange = requestAddCommentHandler;
		http.send(postStr);
		
	}
}

function requestAddCommentHandler(){

	if(http.readyState == 1)
	{
		document.getElementById('comments_area').style.display = 'block';
	
	}else if (http.readyState == 3){
		
		document.getElementById('comments_area').style.display = 'block';
	
	}else if (http.readyState == 4 && http.status == 200){
	
		document.getElementById('comments_area').style.display = 'none';
		
		var commentresponse = http.responseText;
		
		if(commentresponse){
			
			document.getElementById('new_comments').innerHTML = commentresponse;
			
		}
	}
}